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Total energy emitted by a supermassive black hole by hawking

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File: IonringBlackhole[1].jpg (14KB, 800x500px) Image search: [Google]
IonringBlackhole[1].jpg
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A friend of mine told me once in passing that if you could collect all of the energy emitted by a black hole with the mass of 40 billion suns through hawking radiation,across its entire unfathomably vat surface area, and concentrate it together, it wouldn't even be able to power a nightlight. Is that true?
>>
>>9146492
Black holes don't exist.
>>
E=mc2
>>
Well yes because Hawking radiation is slow
>>
>>9146492

have a look at
http://www.physics.hmc.edu/student_projects/astro62/hawking_radiation/gammaray.html

thus, depends on the night light - in my case, 1500 mega watts would be sufficient to power mine.
>>
http://xaonon.dyndns.org/hawking/
Thread posts: 6
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